#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2016             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk is free software;  you can redistribute it and/or modify it
# under the  terms of the  GNU General Public License  as published by
# the Free Software Foundation in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# tails. You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


# -- Statistics
# .1.3.6.1.4.1.1230.2.7.2.1.2.0 200 --> MCAFEE-MWG-MIB::stMalwareDetected.0
# .1.3.6.1.4.1.1230.2.7.2.1.5.0 4394370 --> MCAFEE-MWG-MIB::stConnectionsBlocked.0


def check_mcafee_webgateway(_no_item, params, info):
    infections, connections = map(int, info[0])

    now = time.time()
    for what, value, paramskey, perfkey in [
            ("Infections",           infections,  "infections",          "infections_rate"),
            ("Connections blocked",  connections, "connections_blocked", "connections_blocked_rate")]:
        rate       = get_rate("check_mcafee_webgateway.%s" % paramskey, now, value)
        state      = 0
        infotext   = '%s: %s/s' % (what, rate)
        warn, crit = params.get(paramskey, (None, None))
        if paramskey and paramskey in params:
            if rate >= crit:
                state = 2
            elif rate >= warn:
                state = 1
            if state:
                infotext += ' (warn/crit at %.1f/%.1f)' % (warn, crit)
        perfdata = []
        if perfkey:
            perfdata = [ (perfkey, rate, warn, crit) ]

        yield state, infotext, perfdata


check_info['mcafee_webgateway'] = {
    'inventory_function'    : inventory_mcafee_webgateway_generic,
    'check_function'        : check_mcafee_webgateway,
    'service_description'   : 'Web gateway statistics',
    'snmp_info'             : ('.1.3.6.1.4.1.1230.2.7.2.1', [
                                    "2",    # MCAFEE-MWG-MIB::stMalwareDetected
                                    "5",    # MCAFEE-MWG-MIB::stConnectionsBlocked
                              ]),
    'snmp_scan_function'    : scan_mcafee_webgateway,
    'has_perfdata'          : True,
    'includes'              : [ 'mcafee_webgateway.include' ],
    'group'                 : 'mcafee_web_gateway',
}
